Technology partner: V3360 Cooper Notification (Wheelock)
SKU MB-G6-24-3360
Wheelock MB Series Motor Bells provide a better engineering motor bell for fire and life safety alarm systems. Wheelock Motor Bells are perfect for industrial uses including schools, hospitals, and commercial buildings. The Wheelock Series MB Bells include higher dBA, low current draw, built-in trimplate for semi-flush mounting, low frequency aluminum shells, and low RFI noise. The motor for Series MB Bells is a durable, high torque permanent magnet motor selected for its high performance and long life. These DC vibrating Series MB Motor Bells are offered in 6? and 10? shell sizes in both 12 and 24 VDC models.
Non Standard Product-10 Days Lead Time


  • Approvals include: UL Standard 464, Factory Mutual (FM), California State Fire Marshal (CSFM), New York (MEA) and Chicago (BFP)
  • Meets OSHA 29 Part 1910.165
  • High sound output with low current draw
  • Low frequency aluminum shells for better audibility through walls, doors and other structures
  • 6? and 10? shell sizes in 12 or 24 VDC models
  • Integral RFI suppression to minimize included noise on the NAC circuit
  • Mounting options for surface, semi-flush, outdoor, and concealed conduit installation
  • Built-in trimplate makes semi-flush mounting simpler and less expensive
  • Screw terminals permit fast in-out field wiring of #12 to 18 AWG wire
  • Polarized for DC supervision of NAC circuits